Haiyan Chen

A Chinese Product Feature Extraction Method Based on KNN Algorithm

2017 · Open Journal of Social Sciences

The product feature set of online reviews obtained by the current product feature extraction methods has a low coverage rate of review information. In order to solve this problem, this paper proposes a method of …

Active Learning for Imbalanced Ordinal Regression

2020 · IEEE Access

Ordinal regression (OR), also called ordinal classification, is a special multi-classification designed for problems with ordered classes. Imbalanced data hinders the performance of classification algorithms, especially for OR algorithms, as imbalanced class distributions often arise …